Custom formats, relative addressing, and conditional formatting

- Imagine you're going to be taking a trip in a few months…and you've got your departure dates lined up.…You might consider any one of these different days…as a departure date and you're thinking of…returning on one of these three days and you've…got some flexibility so you put in those different dates and…you've gone to the airline website perhaps, or called them…and got these prices for the different amounts here.…Also, you've checked out rental car prices and the unusual…one of these days here is a lot pricier for some reason.…That's not the same day with the charges over here…are pricy but never the less, you're curious…about some of the combinations here.…

Now, this is kind of a setup based on a real life experience…of just using different features in Excel to make this…more readable and more usable, and you…could easily imagine expanding it into a model that…has a lot more departure dates, a lot more return dates…and consider possibly even another set of modules…here relating to hotel expenses possibly but…